./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c50dd7e64abcc7a7eef6ea31e37156afb1e4322422284686cac6e6613b192c7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:48:28,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:48:28,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:48:28,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:48:28,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:48:28,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:48:28,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:48:28,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:48:28,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:48:28,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:48:28,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:48:28,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:48:28,921 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:48:28,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:48:28,921 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:48:28,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:48:28,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:48:28,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:48:28,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:48:28,924 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:48:28,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:48:28,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:48:28,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:48:28,924 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:48:28,924 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:48:28,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:48:28,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:48:28,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:28,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:48:28,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:48:28,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:48:28,926 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:48:28,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:48:28,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c50dd7e64abcc7a7eef6ea31e37156afb1e4322422284686cac6e6613b192c7 [2024-11-13 20:48:29,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:48:29,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:48:29,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:48:29,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:48:29,328 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:48:29,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c Unable to find full path for "g++" [2024-11-13 20:48:31,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:48:32,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:48:32,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c [2024-11-13 20:48:32,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/data/6211c8154/3d21cbf365ec47719cc98da57ea022d3/FLAG011824e18 [2024-11-13 20:48:32,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/data/6211c8154/3d21cbf365ec47719cc98da57ea022d3 [2024-11-13 20:48:32,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:48:32,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:48:32,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:32,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:48:32,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:48:32,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533e41e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:32, skipping insertion in model container [2024-11-13 20:48:32,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,139 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:48:32,355 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c[458,471] [2024-11-13 20:48:32,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:32,403 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:48:32,419 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c[458,471] [2024-11-13 20:48:32,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:32,458 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:48:32,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:32 WrapperNode [2024-11-13 20:48:32,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:32,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:32,462 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:48:32,462 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:48:32,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,503 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-13 20:48:32,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:32,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:48:32,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:48:32,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:48:32,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:48:32,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:48:32,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:48:32,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:48:32,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:32,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:32,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:48:32,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:48:32,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:48:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:48:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:48:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:48:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:48:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:48:32,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:48:32,736 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:48:32,739 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:48:32,949 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:48:32,950 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:48:32,996 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:48:32,997 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:48:32,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:32 BoogieIcfgContainer [2024-11-13 20:48:32,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:48:32,999 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:48:33,000 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:48:33,013 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:48:33,013 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:32" (1/1) ... [2024-11-13 20:48:33,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:48:33,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:33,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 20:48:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 20:48:33,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:48:33,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:33,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:33,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:33,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:33,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 20:48:33,316 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 20:48:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:48:33,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:33,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 20:48:33,592 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 20:48:33,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:48:33,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:33,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:48:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:33,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:48:33,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:33,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:34,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:34,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 20:48:34,225 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 20:48:34,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:48:34,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:34,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:34,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:35,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-13 20:48:35,363 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 20:48:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:48:35,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:35,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:48:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:35,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 20:48:35,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:35,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:40,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:48:40,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 20:48:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 20:48:40,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:48:40,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:40,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:40,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:41,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:41,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2024-11-13 20:48:41,646 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-11-13 20:48:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:48:41,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:41,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:48:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:41,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 20:48:41,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:41,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-13 20:48:42,320 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-13 20:48:42,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:48:42,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:42,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:48:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:42,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:48:42,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:48:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2024-11-13 20:48:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2024-11-13 20:48:42,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:48:42,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:42,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:48:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:42,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:42,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:42,849 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:48:47,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:48:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2024-11-13 20:48:47,700 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2024-11-13 20:48:47,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:48:47,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:47,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:48:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:47,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:47,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:48:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:48,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2024-11-13 20:48:48,496 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2024-11-13 20:48:48,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:48:48,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:48,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:48,815 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:48:49,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:49,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2024-11-13 20:48:49,720 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-13 20:48:49,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:48:49,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:49,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:48:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:49,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:49,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:49,902 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:48:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2024-11-13 20:48:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2024-11-13 20:48:50,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:48:50,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:50,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:48:50,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:50,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 83 transitions. [2024-11-13 20:48:50,997 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2024-11-13 20:48:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:48:50,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:50,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:48:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:51,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:48:51,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:51,342 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:48:53,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 113 transitions. [2024-11-13 20:48:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 113 transitions. [2024-11-13 20:48:53,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:48:53,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:53,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:48:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:53,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:48:53,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:48:54,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:54,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2024-11-13 20:48:54,694 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2024-11-13 20:48:54,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:48:54,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:54,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:48:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:56,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 135 transitions. [2024-11-13 20:48:56,706 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 135 transitions. [2024-11-13 20:48:56,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:48:56,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:56,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:48:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:56,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 20:48:56,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:57,170 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:48:58,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 67 states and 149 transitions. [2024-11-13 20:48:58,857 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 149 transitions. [2024-11-13 20:48:58,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:48:58,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:58,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:48:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:59,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 20:48:59,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:59,156 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:48:59,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:59,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 69 states and 150 transitions. [2024-11-13 20:48:59,873 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 150 transitions. [2024-11-13 20:48:59,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:48:59,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:59,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:48:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:59,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 20:48:59,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:49:04,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:49:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:04,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 71 states and 151 transitions. [2024-11-13 20:49:04,836 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 151 transitions. [2024-11-13 20:49:04,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:49:04,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:04,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:05,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 20:49:05,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:49:09,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:49:09,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:09,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 73 states and 152 transitions. [2024-11-13 20:49:09,783 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 152 transitions. [2024-11-13 20:49:09,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:49:09,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:09,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:49:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 73 states and 151 transitions. [2024-11-13 20:49:10,356 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 151 transitions. [2024-11-13 20:49:10,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:49:10,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:10,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:49:10,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 73 states and 150 transitions. [2024-11-13 20:49:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 150 transitions. [2024-11-13 20:49:10,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 20:49:10,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:10,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:10,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 20:49:10,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 20:49:15,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:15,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 83 states and 182 transitions. [2024-11-13 20:49:15,325 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 182 transitions. [2024-11-13 20:49:15,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 20:49:15,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:15,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:15,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 20:49:15,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 20:49:17,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 87 states and 185 transitions. [2024-11-13 20:49:17,143 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 185 transitions. [2024-11-13 20:49:17,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 20:49:17,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:17,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:17,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:49:17,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:49:18,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:18,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 89 states and 187 transitions. [2024-11-13 20:49:18,165 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 187 transitions. [2024-11-13 20:49:18,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:49:18,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:18,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:49:20,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:20,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 93 states and 214 transitions. [2024-11-13 20:49:20,997 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 214 transitions. [2024-11-13 20:49:20,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:49:20,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:20,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:21,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 20:49:21,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:49:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:25,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 97 states and 227 transitions. [2024-11-13 20:49:25,612 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 227 transitions. [2024-11-13 20:49:25,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:49:25,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:25,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:49:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:26,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 97 states and 226 transitions. [2024-11-13 20:49:26,221 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 226 transitions. [2024-11-13 20:49:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:49:26,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:26,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:27,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 20:49:27,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 20:49:29,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:29,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 100 states and 232 transitions. [2024-11-13 20:49:29,326 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 232 transitions. [2024-11-13 20:49:29,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:49:29,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:29,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:29,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 20:49:29,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:29,792 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:49:30,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:30,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 102 states and 233 transitions. [2024-11-13 20:49:30,993 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 233 transitions. [2024-11-13 20:49:30,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:49:30,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:30,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:32,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:49:32,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:32,582 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 20:49:33,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 104 states and 234 transitions. [2024-11-13 20:49:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 234 transitions. [2024-11-13 20:49:33,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:49:33,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:33,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:34,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:49:34,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:35,295 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 20:49:40,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:49:40,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:40,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 106 states and 235 transitions. [2024-11-13 20:49:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 235 transitions. [2024-11-13 20:49:40,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:49:40,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:40,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:49:41,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 106 states and 234 transitions. [2024-11-13 20:49:41,486 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 234 transitions. [2024-11-13 20:49:41,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:49:41,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:41,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:49:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:42,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 106 states and 233 transitions. [2024-11-13 20:49:42,150 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 233 transitions. [2024-11-13 20:49:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:49:42,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:42,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:42,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 20:49:42,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:49:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 116 states and 270 transitions. [2024-11-13 20:49:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 270 transitions. [2024-11-13 20:49:49,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:49:49,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:49,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:49,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 20:49:49,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:49,836 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:49:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 119 states and 274 transitions. [2024-11-13 20:49:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 274 transitions. [2024-11-13 20:49:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:49:52,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:52,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:52,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 20:49:52,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:49:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:53,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 121 states and 276 transitions. [2024-11-13 20:49:53,476 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 276 transitions. [2024-11-13 20:49:53,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:49:53,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:53,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:53,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 20:49:53,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:49:54,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:54,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 123 states and 278 transitions. [2024-11-13 20:49:54,829 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 278 transitions. [2024-11-13 20:49:54,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:49:54,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:54,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:54,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 20:49:54,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:54,998 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:49:56,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:56,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 125 states and 279 transitions. [2024-11-13 20:49:56,305 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 279 transitions. [2024-11-13 20:49:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:49:56,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:56,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:49:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:56,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 20:49:56,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:56,520 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 20:49:57,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:57,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 127 states and 280 transitions. [2024-11-13 20:49:57,782 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 280 transitions. [2024-11-13 20:49:57,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:49:57,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:57,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:50:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:01,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 20:50:01,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 20:50:05,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:05,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 131 states and 293 transitions. [2024-11-13 20:50:05,773 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 293 transitions. [2024-11-13 20:50:05,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:50:05,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:05,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:50:09,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 135 states and 329 transitions. [2024-11-13 20:50:09,856 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 329 transitions. [2024-11-13 20:50:09,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:50:09,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:09,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:50:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:12,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 20:50:12,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 20:50:14,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:14,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 138 states and 332 transitions. [2024-11-13 20:50:14,937 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 332 transitions. [2024-11-13 20:50:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:50:14,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:14,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:15,064 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:50:15,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:15,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 138 states and 331 transitions. [2024-11-13 20:50:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 331 transitions. [2024-11-13 20:50:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:50:15,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:15,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:50:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:22,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 20:50:22,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:22,434 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 20:50:28,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:50:29,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:29,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 141 states and 337 transitions. [2024-11-13 20:50:29,121 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 337 transitions. [2024-11-13 20:50:29,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:50:29,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:29,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:50:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:33,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:50:33,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:33,398 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 20:50:35,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:35,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 143 states and 338 transitions. [2024-11-13 20:50:35,089 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 338 transitions. [2024-11-13 20:50:35,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:50:35,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:35,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:50:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:38,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 20:50:38,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 16 proven. 67 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 20:50:40,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:40,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 145 states and 339 transitions. [2024-11-13 20:50:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 339 transitions. [2024-11-13 20:50:40,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:50:40,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:40,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:50:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:44,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:50:44,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 20:50:48,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:50:49,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:49,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 147 states and 340 transitions. [2024-11-13 20:50:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 340 transitions. [2024-11-13 20:50:49,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:50:49,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:49,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:49,554 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:50:50,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:50,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 147 states and 339 transitions. [2024-11-13 20:50:50,269 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 339 transitions. [2024-11-13 20:50:50,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:50:50,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:50,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:50:51,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:51,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 147 states and 338 transitions. [2024-11-13 20:50:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 338 transitions. [2024-11-13 20:50:51,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:50:51,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:51,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:50:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:51,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 147 states and 337 transitions. [2024-11-13 20:50:51,823 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 337 transitions. [2024-11-13 20:50:51,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 20:50:51,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:51,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:50:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:51,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:50:51,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:52,824 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 20:51:02,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:02,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 157 states and 376 transitions. [2024-11-13 20:51:02,936 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 376 transitions. [2024-11-13 20:51:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 20:51:02,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:02,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:51:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:03,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:51:03,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 20:51:07,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 162 states and 384 transitions. [2024-11-13 20:51:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 384 transitions. [2024-11-13 20:51:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 20:51:07,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:07,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:51:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:07,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:51:07,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:07,832 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 20:51:10,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:10,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 165 states and 387 transitions. [2024-11-13 20:51:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 387 transitions. [2024-11-13 20:51:10,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 20:51:10,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:10,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:51:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:10,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:51:10,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:10,646 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 20:51:12,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:12,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 166 states and 389 transitions. [2024-11-13 20:51:12,009 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 389 transitions. [2024-11-13 20:51:12,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 20:51:12,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:12,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:51:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:12,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 20:51:12,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 20:51:13,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:13,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 168 states and 391 transitions. [2024-11-13 20:51:13,814 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 391 transitions. [2024-11-13 20:51:13,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 20:51:13,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:13,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:51:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:13,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:51:13,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 20:51:15,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:15,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 170 states and 393 transitions. [2024-11-13 20:51:15,773 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 393 transitions. [2024-11-13 20:51:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 20:51:15,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:15,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:51:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:15,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:51:15,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:15,960 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 20:51:17,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:17,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 172 states and 394 transitions. [2024-11-13 20:51:17,805 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 394 transitions. [2024-11-13 20:51:17,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 20:51:17,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:17,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:51:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:17,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:51:17,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:18,021 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 20:51:19,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 174 states and 395 transitions. [2024-11-13 20:51:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 395 transitions. [2024-11-13 20:51:19,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 20:51:19,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:19,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:51:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:51:29,891 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 20:51:29,896 INFO L158 Benchmark]: Toolchain (without parser) took 177794.33ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 91.9MB in the beginning and 272.2MB in the end (delta: -180.3MB). Peak memory consumption was 284.3MB. Max. memory is 16.1GB. [2024-11-13 20:51:29,897 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:29,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.54ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 80.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:51:29,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.14ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:29,898 INFO L158 Benchmark]: Boogie Preprocessor took 34.12ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.3MB in the end (delta: 802.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:51:29,898 INFO L158 Benchmark]: RCFGBuilder took 455.73ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 66.7MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:51:29,900 INFO L158 Benchmark]: CodeCheck took 176895.78ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 66.7MB in the beginning and 272.2MB in the end (delta: -205.5MB). Peak memory consumption was 259.2MB. Max. memory is 16.1GB. [2024-11-13 20:51:29,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.54ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 80.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.14ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.12ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.3MB in the end (delta: 802.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 455.73ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 66.7MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 176895.78ms. Allocated memory was 117.4MB in the beginning and 578.8MB in the end (delta: 461.4MB). Free memory was 66.7MB in the beginning and 272.2MB in the end (delta: -205.5MB). Peak memory consumption was 259.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:51:29,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c50dd7e64abcc7a7eef6ea31e37156afb1e4322422284686cac6e6613b192c7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:51:32,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:51:32,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:51:33,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:51:33,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:51:33,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:51:33,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:51:33,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:51:33,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:51:33,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:51:33,017 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:51:33,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:51:33,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:51:33,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:51:33,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:51:33,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:51:33,018 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:51:33,018 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:51:33,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:51:33,018 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:51:33,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:51:33,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:51:33,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:51:33,037 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:51:33,037 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:51:33,037 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:51:33,037 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:33,037 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:51:33,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:51:33,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:33,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:51:33,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:51:33,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:51:33,038 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:51:33,038 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:33,038 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:51:33,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c50dd7e64abcc7a7eef6ea31e37156afb1e4322422284686cac6e6613b192c7 [2024-11-13 20:51:33,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:51:33,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:51:33,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:51:33,400 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:51:33,401 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:51:33,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c Unable to find full path for "g++" [2024-11-13 20:51:35,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:51:35,581 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:51:35,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c [2024-11-13 20:51:35,595 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/data/e1406ef94/2a22a05233f04cbc9414abda99120bb6/FLAG7edce4471 [2024-11-13 20:51:35,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/data/e1406ef94/2a22a05233f04cbc9414abda99120bb6 [2024-11-13 20:51:35,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:51:35,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:51:35,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:35,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:51:35,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:51:35,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:35" (1/1) ... [2024-11-13 20:51:35,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcb6d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:35, skipping insertion in model container [2024-11-13 20:51:35,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:35" (1/1) ... [2024-11-13 20:51:35,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:51:35,851 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c[458,471] [2024-11-13 20:51:35,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:35,897 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:51:35,909 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c[458,471] [2024-11-13 20:51:35,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:35,951 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:51:35,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:35 WrapperNode [2024-11-13 20:51:35,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:35,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:35,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:51:35,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:51:35,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:35" (1/1) ... [2024-11-13 20:51:35,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:35" (1/1) ... [2024-11-13 20:51:35,988 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-13 20:51:35,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:35,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:51:35,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:51:35,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:51:35,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:35" (1/1) ... [2024-11-13 20:51:35,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:35" (1/1) ... [2024-11-13 20:51:36,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:35" (1/1) ... [2024-11-13 20:51:36,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:35" (1/1) ... [2024-11-13 20:51:36,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:35" (1/1) ... [2024-11-13 20:51:36,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:35" (1/1) ... [2024-11-13 20:51:36,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:35" (1/1) ... [2024-11-13 20:51:36,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:35" (1/1) ... [2024-11-13 20:51:36,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:51:36,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:51:36,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:51:36,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:51:36,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:35" (1/1) ... [2024-11-13 20:51:36,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:36,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:51:36,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:51:36,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:51:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:51:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:51:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:51:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:51:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:51:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:51:36,185 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:51:36,187 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:51:36,714 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:51:36,715 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:51:36,772 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:51:36,773 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:51:36,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:36 BoogieIcfgContainer [2024-11-13 20:51:36,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:51:36,774 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:51:36,774 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:51:36,787 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:51:36,787 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:36" (1/1) ... [2024-11-13 20:51:36,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:51:36,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:36,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 20:51:36,860 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 20:51:36,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:51:36,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:36,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:36,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:36,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:36,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:51:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:36,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:37,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:51:37,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:37,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:37,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:51:37,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:37,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 20:51:37,195 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 20:51:37,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:51:37,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:37,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:37,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:37,198 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:37,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:51:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:37,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:37,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:51:37,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:37,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 20:51:38,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:38,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 20:51:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 20:51:38,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:51:38,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:38,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:38,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:38,126 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:38,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:51:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:38,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:38,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 20:51:38,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:39,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:39,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:51:42,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:42,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 20:51:42,662 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 20:51:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:51:42,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:42,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:42,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:42,674 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:42,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:51:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:43,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:43,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:51:43,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:00,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:52:00,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 20:52:30,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:30,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-13 20:52:30,190 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-13 20:52:30,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:52:30,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:30,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:30,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:30,192 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:30,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:52:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:31,204 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:31,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:52:31,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:32,534 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:52:32,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 20:53:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:26,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2024-11-13 20:53:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-11-13 20:53:26,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:53:26,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:26,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:26,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:26,832 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:26,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 20:53:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:27,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:28,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:53:28,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:32,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:53:32,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 20:54:05,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2024-11-13 20:54:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2024-11-13 20:54:13,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:54:13,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:13,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:13,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:13,761 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:13,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 20:54:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:14,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:15,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:54:15,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:15,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:54:15,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 20:54:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-11-13 20:54:26,475 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-11-13 20:54:26,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:54:26,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:26,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:26,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:26,480 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:26,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 20:54:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:27,043 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:27,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:54:27,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:54:28,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 20:55:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 85 transitions. [2024-11-13 20:55:34,681 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 85 transitions. [2024-11-13 20:55:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:55:34,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:34,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:34,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:34,687 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:34,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 20:55:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:36,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:36,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:55:36,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:38,205 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:55:38,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 20:56:56,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:56,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 46 states and 97 transitions. [2024-11-13 20:56:56,294 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 97 transitions. [2024-11-13 20:56:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:56:56,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:56,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:56,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:56,298 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:56,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 20:56:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:57,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:58,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:56:58,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:56:58,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 20:57:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 48 states and 98 transitions. [2024-11-13 20:57:17,789 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 98 transitions. [2024-11-13 20:57:17,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:57:17,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:17,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:17,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:17,796 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:17,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 20:57:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:19,160 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:19,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:57:19,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:57:24,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 20:58:19,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:19,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 56 states and 132 transitions. [2024-11-13 20:58:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 132 transitions. [2024-11-13 20:58:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:58:19,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:19,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:19,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:19,335 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:19,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 20:58:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:20,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:21,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:58:21,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:21,853 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:58:21,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 20:58:31,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:58:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:39,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 58 states and 133 transitions. [2024-11-13 20:58:39,396 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 133 transitions. [2024-11-13 20:58:39,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:58:39,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:39,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:39,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:39,402 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:39,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 20:58:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:40,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:41,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:58:41,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:58:46,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 21:01:06,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 68 states and 169 transitions. [2024-11-13 21:01:06,099 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 169 transitions. [2024-11-13 21:01:06,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:01:06,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:06,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:01:06,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:01:06,105 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:01:06,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:01:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:07,876 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:01:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:08,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:01:08,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:01:17,591 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:17,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d0198f8-7d67-4eda-8fe3-80ab0ca6630e/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0